Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990
     Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
       Class "Bacilli" Garrity et al. 2001 nom. ined. see Class Bacilli Ludwig et al. 2010
         Order Bacillales Prévot 1953 (Approved Lists 1980)
           Family "Alicyclobacillaceae" da Costa & Rainey, 2010 see Family Alicyclobacillaceae da Costa and Rainey 2010
             Genus Alicyclobacillus Wisotzkey et al. 1992